Electronic pen



FIG. 1 is a front perspective view of an electronic pen of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of electronic pen is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for an electronic pen, as shown and described. 